<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"> <style>
	.KEYW {color: #933;}
	.COMM {color: #bbb; font-style: italic;}
	.NUMB {color: #393;}
	.STRN {color: #393;}
	.REGX {color: #339;}
	.line {border-right: 1px dotted #666; color: #666; font-style: normal;}
	</style></head><body><pre><span class='line'>  1</span> <span class="COMM">/**
<span class='line'>  2</span>  * Hilo
<span class='line'>  3</span>  * Copyright 2015 alibaba.com
<span class='line'>  4</span>  * Licensed under the MIT License
<span class='line'>  5</span>  */</span><span class="WHIT">
<span class='line'>  6</span> 
<span class='line'>  7</span> </span><span class="COMM">/**
<span class='line'>  8</span>  * @private
<span class='line'>  9</span>  * @class javascript or JSONP loader
<span class='line'> 10</span>  * @module hilo/loader/ScriptLoader
<span class='line'> 11</span>  * @requires hilo/core/Class
<span class='line'> 12</span>  */</span><span class="WHIT">
<span class='line'> 13</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ScriptLoader</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Class.create</span><span class="PUNC">(</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 14</span> </span><span class="WHIT">    </span><span class="NAME">load</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">data</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 15</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">me</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">src</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">data.src</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">isJSONP</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">data.type</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="STRN">'jsonp'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 16</span> 
<span class='line'> 17</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">isJSONP</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 18</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">callbackName</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">data.callbackName</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="STRN">'callback'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 19</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">callback</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">data.callback</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="STRN">'jsonp'</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">++</span><span class="NAME">ScriptLoader._count</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 20</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">win</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">window</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 21</span> 
<span class='line'> 22</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">win</span><span class="PUNC">[</span><span class="NAME">callback</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 23</span> </span><span class="WHIT">                </span><span class="NAME">win</span><span class="PUNC">[</span><span class="NAME">callback</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">result</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 24</span> </span><span class="WHIT">                    </span><span class="KEYW">delete</span><span class="WHIT"> </span><span class="NAME">win</span><span class="PUNC">[</span><span class="NAME">callback</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 25</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 26</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 27</span> 
<span class='line'> 28</span> </span><span class="WHIT">            </span><span class="NAME">src</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">src.indexOf</span><span class="PUNC">(</span><span class="STRN">'?'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT"> </span><span class="STRN">'?'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'&'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">callbackName</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'='</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">callback</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 29</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 30</span> 
<span class='line'> 31</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">data.noCache</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="NAME">src</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">src.indexOf</span><span class="PUNC">(</span><span class="STRN">'?'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">==</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT"> </span><span class="STRN">'?'</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="STRN">'&'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'t='</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">+</span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Date</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 32</span> 
<span class='line'> 33</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">script</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">document.createElement</span><span class="PUNC">(</span><span class="STRN">'script'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 34</span> </span><span class="WHIT">        </span><span class="NAME">script.type</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="STRN">'text/javascript'</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 35</span> </span><span class="WHIT">        </span><span class="NAME">script.async</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 36</span> </span><span class="WHIT">        </span><span class="NAME">script.onload</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">me.onLoad.bind</span><span class="PUNC">(</span><span class="NAME">me</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 37</span> </span><span class="WHIT">        </span><span class="NAME">script.onerror</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">me.onError.bind</span><span class="PUNC">(</span><span class="NAME">me</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 38</span> </span><span class="WHIT">        </span><span class="NAME">script.src</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">src</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 39</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">data.id</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="NAME">script.id</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">data.id</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 40</span> </span><span class="WHIT">        </span><span class="NAME">document.getElementsByTagName</span><span class="PUNC">(</span><span class="STRN">'head'</span><span class="PUNC">)</span><span class="PUNC">[</span><span class="NUMB">0</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">appendChild</span><span class="PUNC">(</span><span class="NAME">script</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 41</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 42</span> 
<span class='line'> 43</span> </span><span class="WHIT">    </span><span class="NAME">onLoad</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">e</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 44</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">script</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">e.target</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 45</span> </span><span class="WHIT">        </span><span class="NAME">script.onload</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">script.onerror</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 46</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">script</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 47</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 48</span> 
<span class='line'> 49</span> </span><span class="WHIT">    </span><span class="NAME">onError</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">e</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 50</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">script</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">e.target</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 51</span> </span><span class="WHIT">        </span><span class="NAME">script.onload</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">script.onerror</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 52</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">e</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 53</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 54</span> 
<span class='line'> 55</span> </span><span class="WHIT">    </span><span class="NAME">Statics</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 56</span> </span><span class="WHIT">        </span><span class="NAME">_count</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="WHIT">
<span class='line'> 57</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 58</span> 
<span class='line'> 59</span> </span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span></pre></body></html>